{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:06.451371", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2025-Sep-20_to_2025-Sep-22_296.0_-14.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2025090002123}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "September 20 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 22 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 51168.07826742006}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Bolivia", "Brazil"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["South-American-Monsoon"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["South America"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -14.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 296.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "296.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 295.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 297.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -14.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.03, -12.47], [-64.5, -12.25], [-64.25, -12.35], [-64.18, -12.32], [-64.15, -12.25], [-64.25, -12.0], [-64.03, -11.47], [-63.5, -11.25], [-63.25, -11.35], [-63.0, -11.25], [-62.47, -11.47], [-62.25, -12.0], [-62.35, -12.25], [-62.32, -12.32], [-61.97, -12.47], [-61.75, -13.0], [-61.85, -13.25], [-61.75, -13.5], [-61.85, -13.75], [-61.75, -14.0], [-61.97, -14.53], [-62.5, -14.75], [-62.75, -14.65], [-63.0, -14.75], [-63.5, -14.54], [-64.0, -14.75], [-64.53, -14.53], [-64.68, -14.18], [-65.03, -14.03], [-65.25, -13.5], [-65.15, -13.25], [-65.25, -13.0], [-65.03, -12.47]]]]}, "2025-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.03, -12.47], [-64.5, -12.25], [-64.25, -12.35], [-64.18, -12.32], [-64.15, -12.25], [-64.25, -12.0], [-64.03, -11.47], [-63.5, -11.25], [-63.25, -11.35], [-63.0, -11.25], [-62.47, -11.47], [-62.25, -12.0], [-62.35, -12.25], [-62.32, -12.32], [-61.97, -12.47], [-61.75, -13.0], [-61.85, -13.25], [-61.75, -13.5], [-61.85, -13.75], [-61.75, -14.0], [-61.97, -14.53], [-62.5, -14.75], [-62.75, -14.65], [-63.0, -14.75], [-63.5, -14.54], [-64.0, -14.75], [-64.53, -14.53], [-64.68, -14.18], [-65.03, -14.03], [-65.25, -13.5], [-65.15, -13.25], [-65.25, -13.0], [-65.03, -12.47]]]]}, "2025-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-65.03, -12.47], [-64.5, -12.25], [-64.25, -12.35], [-64.18, -12.32], [-64.15, -12.25], [-64.25, -12.0], [-64.03, -11.47], [-63.5, -11.25], [-63.25, -11.35], [-63.0, -11.25], [-62.47, -11.47], [-62.25, -12.0], [-62.35, -12.25], [-62.32, -12.32], [-61.97, -12.47], [-61.75, -13.0], [-61.85, -13.25], [-61.75, -13.5], [-61.85, -13.75], [-61.75, -14.0], [-61.97, -14.53], [-62.5, -14.75], [-62.75, -14.65], [-63.0, -14.75], [-63.5, -14.54], [-64.0, -14.75], [-64.53, -14.53], [-64.68, -14.18], [-65.03, -14.03], [-65.25, -13.5], [-65.15, -13.25], [-65.25, -13.0], [-65.03, -12.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.6561800293144415}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.743052451543135}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.452504879820594, 29.71246138927978, 29.54389029110183]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.29540278116866, 30.553774770100915, 30.54957733154299]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6321524163994923, 2.8840654972373123, 2.7129394409926]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4566659345886706, 3.6561800293144415, 3.2304968915443624]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.237434982369452, 1.3784749106962635, 1.3018089885923219]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4352840166409018, 1.563575611395459, 1.4840157746145526]}}